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Dependencies:   DS1307 TextLCD mbed

NetServices/services/mysql/sha1.c@5:6878defcfeb9, 2014-12-11 (annotated)

Committer:
Michielber
Date:
Thu Dec 11 16:07:34 2014 +0000
Revision:
5:6878defcfeb9
Parent:
0:f615d151a72c 
Project updated belastingslijn

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Michielber 0:f615d151a72c 1 /*
Michielber 0:f615d151a72c 2 * FIPS-180-1 compliant SHA-1 implementation
Michielber 0:f615d151a72c 3 *
Michielber 0:f615d151a72c 4 * Copyright (C) 2006-2010, Paul Bakker <polarssl_maintainer at polarssl.org>
Michielber 0:f615d151a72c 5 * All rights reserved.
Michielber 0:f615d151a72c 6 *
Michielber 0:f615d151a72c 7 * This program is free software; you can redistribute it and/or modify
Michielber 0:f615d151a72c 8 * it under the terms of the GNU General Public License as published by
Michielber 0:f615d151a72c 9 * the Free Software Foundation; either version 2 of the License, or
Michielber 0:f615d151a72c 10 * (at your option) any later version.
Michielber 0:f615d151a72c 11 *
Michielber 0:f615d151a72c 12 * This program is distributed in the hope that it will be useful,
Michielber 0:f615d151a72c 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Michielber 0:f615d151a72c 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Michielber 0:f615d151a72c 15 * GNU General Public License for more details.
Michielber 0:f615d151a72c 16 *
Michielber 0:f615d151a72c 17 * You should have received a copy of the GNU General Public License along
Michielber 0:f615d151a72c 18 * with this program; if not, write to the Free Software Foundation, Inc.,
Michielber 0:f615d151a72c 19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Michielber 0:f615d151a72c 20 */
Michielber 0:f615d151a72c 21 /*
Michielber 0:f615d151a72c 22 * The SHA-1 standard was published by NIST in 1993.
Michielber 0:f615d151a72c 23 *
Michielber 0:f615d151a72c 24 * http://www.itl.nist.gov/fipspubs/fip180-1.htm
Michielber 0:f615d151a72c 25 */
Michielber 0:f615d151a72c 26
Michielber 0:f615d151a72c 27 #include "sha1config.h"
Michielber 0:f615d151a72c 28
Michielber 0:f615d151a72c 29 #if defined(POLARSSL_SHA1_C)
Michielber 0:f615d151a72c 30
Michielber 0:f615d151a72c 31 #include "sha1.h"
Michielber 0:f615d151a72c 32
Michielber 0:f615d151a72c 33 #include <string.h>
Michielber 0:f615d151a72c 34 #include <stdio.h>
Michielber 0:f615d151a72c 35
Michielber 0:f615d151a72c 36 /*
Michielber 0:f615d151a72c 37 * 32-bit integer manipulation macros (big endian)
Michielber 0:f615d151a72c 38 */
Michielber 0:f615d151a72c 39 #ifndef GET_ULONG_BE
Michielber 0:f615d151a72c 40 #define GET_ULONG_BE(n,b,i) \
Michielber 0:f615d151a72c 41 { \
Michielber 0:f615d151a72c 42 (n) = ( (unsigned long) (b)[(i) ] << 24 ) \
Michielber 0:f615d151a72c 43 | ( (unsigned long) (b)[(i) + 1] << 16 ) \
Michielber 0:f615d151a72c 44 | ( (unsigned long) (b)[(i) + 2] << 8 ) \
Michielber 0:f615d151a72c 45 | ( (unsigned long) (b)[(i) + 3] ); \
Michielber 0:f615d151a72c 46 }
Michielber 0:f615d151a72c 47 #endif
Michielber 0:f615d151a72c 48
Michielber 0:f615d151a72c 49 #ifndef PUT_ULONG_BE
Michielber 0:f615d151a72c 50 #define PUT_ULONG_BE(n,b,i) \
Michielber 0:f615d151a72c 51 { \
Michielber 0:f615d151a72c 52 (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
Michielber 0:f615d151a72c 53 (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
Michielber 0:f615d151a72c 54 (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
Michielber 0:f615d151a72c 55 (b)[(i) + 3] = (unsigned char) ( (n) ); \
Michielber 0:f615d151a72c 56 }
Michielber 0:f615d151a72c 57 #endif
Michielber 0:f615d151a72c 58
Michielber 0:f615d151a72c 59 /*
Michielber 0:f615d151a72c 60 * SHA-1 context setup
Michielber 0:f615d151a72c 61 */
Michielber 0:f615d151a72c 62 void sha1_starts( sha1_context *ctx )
Michielber 0:f615d151a72c 63 {
Michielber 0:f615d151a72c 64 ctx->total[0] = 0;
Michielber 0:f615d151a72c 65 ctx->total[1] = 0;
Michielber 0:f615d151a72c 66
Michielber 0:f615d151a72c 67 ctx->state[0] = 0x67452301;
Michielber 0:f615d151a72c 68 ctx->state[1] = 0xEFCDAB89;
Michielber 0:f615d151a72c 69 ctx->state[2] = 0x98BADCFE;
Michielber 0:f615d151a72c 70 ctx->state[3] = 0x10325476;
Michielber 0:f615d151a72c 71 ctx->state[4] = 0xC3D2E1F0;
Michielber 0:f615d151a72c 72 }
Michielber 0:f615d151a72c 73
Michielber 0:f615d151a72c 74 static void sha1_process( sha1_context *ctx, const unsigned char data[64] )
Michielber 0:f615d151a72c 75 {
Michielber 0:f615d151a72c 76 unsigned long temp, W[16], A, B, C, D, E;
Michielber 0:f615d151a72c 77
Michielber 0:f615d151a72c 78 GET_ULONG_BE( W[ 0], data, 0 );
Michielber 0:f615d151a72c 79 GET_ULONG_BE( W[ 1], data, 4 );
Michielber 0:f615d151a72c 80 GET_ULONG_BE( W[ 2], data, 8 );
Michielber 0:f615d151a72c 81 GET_ULONG_BE( W[ 3], data, 12 );
Michielber 0:f615d151a72c 82 GET_ULONG_BE( W[ 4], data, 16 );
Michielber 0:f615d151a72c 83 GET_ULONG_BE( W[ 5], data, 20 );
Michielber 0:f615d151a72c 84 GET_ULONG_BE( W[ 6], data, 24 );
Michielber 0:f615d151a72c 85 GET_ULONG_BE( W[ 7], data, 28 );
Michielber 0:f615d151a72c 86 GET_ULONG_BE( W[ 8], data, 32 );
Michielber 0:f615d151a72c 87 GET_ULONG_BE( W[ 9], data, 36 );
Michielber 0:f615d151a72c 88 GET_ULONG_BE( W[10], data, 40 );
Michielber 0:f615d151a72c 89 GET_ULONG_BE( W[11], data, 44 );
Michielber 0:f615d151a72c 90 GET_ULONG_BE( W[12], data, 48 );
Michielber 0:f615d151a72c 91 GET_ULONG_BE( W[13], data, 52 );
Michielber 0:f615d151a72c 92 GET_ULONG_BE( W[14], data, 56 );
Michielber 0:f615d151a72c 93 GET_ULONG_BE( W[15], data, 60 );
Michielber 0:f615d151a72c 94
Michielber 0:f615d151a72c 95 #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
Michielber 0:f615d151a72c 96
Michielber 0:f615d151a72c 97 #define R(t) \
Michielber 0:f615d151a72c 98 ( \
Michielber 0:f615d151a72c 99 temp = W[(t - 3) & 0x0F] ^ W[(t - 8) & 0x0F] ^ \
Michielber 0:f615d151a72c 100 W[(t - 14) & 0x0F] ^ W[ t & 0x0F], \
Michielber 0:f615d151a72c 101 ( W[t & 0x0F] = S(temp,1) ) \
Michielber 0:f615d151a72c 102 )
Michielber 0:f615d151a72c 103
Michielber 0:f615d151a72c 104 #define P(a,b,c,d,e,x) \
Michielber 0:f615d151a72c 105 { \
Michielber 0:f615d151a72c 106 e += S(a,5) + F(b,c,d) + K + x; b = S(b,30); \
Michielber 0:f615d151a72c 107 }
Michielber 0:f615d151a72c 108
Michielber 0:f615d151a72c 109 A = ctx->state[0];
Michielber 0:f615d151a72c 110 B = ctx->state[1];
Michielber 0:f615d151a72c 111 C = ctx->state[2];
Michielber 0:f615d151a72c 112 D = ctx->state[3];
Michielber 0:f615d151a72c 113 E = ctx->state[4];
Michielber 0:f615d151a72c 114
Michielber 0:f615d151a72c 115 #define F(x,y,z) (z ^ (x & (y ^ z)))
Michielber 0:f615d151a72c 116 #define K 0x5A827999
Michielber 0:f615d151a72c 117
Michielber 0:f615d151a72c 118 P( A, B, C, D, E, W[0] );
Michielber 0:f615d151a72c 119 P( E, A, B, C, D, W[1] );
Michielber 0:f615d151a72c 120 P( D, E, A, B, C, W[2] );
Michielber 0:f615d151a72c 121 P( C, D, E, A, B, W[3] );
Michielber 0:f615d151a72c 122 P( B, C, D, E, A, W[4] );
Michielber 0:f615d151a72c 123 P( A, B, C, D, E, W[5] );
Michielber 0:f615d151a72c 124 P( E, A, B, C, D, W[6] );
Michielber 0:f615d151a72c 125 P( D, E, A, B, C, W[7] );
Michielber 0:f615d151a72c 126 P( C, D, E, A, B, W[8] );
Michielber 0:f615d151a72c 127 P( B, C, D, E, A, W[9] );
Michielber 0:f615d151a72c 128 P( A, B, C, D, E, W[10] );
Michielber 0:f615d151a72c 129 P( E, A, B, C, D, W[11] );
Michielber 0:f615d151a72c 130 P( D, E, A, B, C, W[12] );
Michielber 0:f615d151a72c 131 P( C, D, E, A, B, W[13] );
Michielber 0:f615d151a72c 132 P( B, C, D, E, A, W[14] );
Michielber 0:f615d151a72c 133 P( A, B, C, D, E, W[15] );
Michielber 0:f615d151a72c 134 P( E, A, B, C, D, R(16) );
Michielber 0:f615d151a72c 135 P( D, E, A, B, C, R(17) );
Michielber 0:f615d151a72c 136 P( C, D, E, A, B, R(18) );
Michielber 0:f615d151a72c 137 P( B, C, D, E, A, R(19) );
Michielber 0:f615d151a72c 138
Michielber 0:f615d151a72c 139 #undef K
Michielber 0:f615d151a72c 140 #undef F
Michielber 0:f615d151a72c 141
Michielber 0:f615d151a72c 142 #define F(x,y,z) (x ^ y ^ z)
Michielber 0:f615d151a72c 143 #define K 0x6ED9EBA1
Michielber 0:f615d151a72c 144
Michielber 0:f615d151a72c 145 P( A, B, C, D, E, R(20) );
Michielber 0:f615d151a72c 146 P( E, A, B, C, D, R(21) );
Michielber 0:f615d151a72c 147 P( D, E, A, B, C, R(22) );
Michielber 0:f615d151a72c 148 P( C, D, E, A, B, R(23) );
Michielber 0:f615d151a72c 149 P( B, C, D, E, A, R(24) );
Michielber 0:f615d151a72c 150 P( A, B, C, D, E, R(25) );
Michielber 0:f615d151a72c 151 P( E, A, B, C, D, R(26) );
Michielber 0:f615d151a72c 152 P( D, E, A, B, C, R(27) );
Michielber 0:f615d151a72c 153 P( C, D, E, A, B, R(28) );
Michielber 0:f615d151a72c 154 P( B, C, D, E, A, R(29) );
Michielber 0:f615d151a72c 155 P( A, B, C, D, E, R(30) );
Michielber 0:f615d151a72c 156 P( E, A, B, C, D, R(31) );
Michielber 0:f615d151a72c 157 P( D, E, A, B, C, R(32) );
Michielber 0:f615d151a72c 158 P( C, D, E, A, B, R(33) );
Michielber 0:f615d151a72c 159 P( B, C, D, E, A, R(34) );
Michielber 0:f615d151a72c 160 P( A, B, C, D, E, R(35) );
Michielber 0:f615d151a72c 161 P( E, A, B, C, D, R(36) );
Michielber 0:f615d151a72c 162 P( D, E, A, B, C, R(37) );
Michielber 0:f615d151a72c 163 P( C, D, E, A, B, R(38) );
Michielber 0:f615d151a72c 164 P( B, C, D, E, A, R(39) );
Michielber 0:f615d151a72c 165
Michielber 0:f615d151a72c 166 #undef K
Michielber 0:f615d151a72c 167 #undef F
Michielber 0:f615d151a72c 168
Michielber 0:f615d151a72c 169 #define F(x,y,z) ((x & y) | (z & (x | y)))
Michielber 0:f615d151a72c 170 #define K 0x8F1BBCDC
Michielber 0:f615d151a72c 171
Michielber 0:f615d151a72c 172 P( A, B, C, D, E, R(40) );
Michielber 0:f615d151a72c 173 P( E, A, B, C, D, R(41) );
Michielber 0:f615d151a72c 174 P( D, E, A, B, C, R(42) );
Michielber 0:f615d151a72c 175 P( C, D, E, A, B, R(43) );
Michielber 0:f615d151a72c 176 P( B, C, D, E, A, R(44) );
Michielber 0:f615d151a72c 177 P( A, B, C, D, E, R(45) );
Michielber 0:f615d151a72c 178 P( E, A, B, C, D, R(46) );
Michielber 0:f615d151a72c 179 P( D, E, A, B, C, R(47) );
Michielber 0:f615d151a72c 180 P( C, D, E, A, B, R(48) );
Michielber 0:f615d151a72c 181 P( B, C, D, E, A, R(49) );
Michielber 0:f615d151a72c 182 P( A, B, C, D, E, R(50) );
Michielber 0:f615d151a72c 183 P( E, A, B, C, D, R(51) );
Michielber 0:f615d151a72c 184 P( D, E, A, B, C, R(52) );
Michielber 0:f615d151a72c 185 P( C, D, E, A, B, R(53) );
Michielber 0:f615d151a72c 186 P( B, C, D, E, A, R(54) );
Michielber 0:f615d151a72c 187 P( A, B, C, D, E, R(55) );
Michielber 0:f615d151a72c 188 P( E, A, B, C, D, R(56) );
Michielber 0:f615d151a72c 189 P( D, E, A, B, C, R(57) );
Michielber 0:f615d151a72c 190 P( C, D, E, A, B, R(58) );
Michielber 0:f615d151a72c 191 P( B, C, D, E, A, R(59) );
Michielber 0:f615d151a72c 192
Michielber 0:f615d151a72c 193 #undef K
Michielber 0:f615d151a72c 194 #undef F
Michielber 0:f615d151a72c 195
Michielber 0:f615d151a72c 196 #define F(x,y,z) (x ^ y ^ z)
Michielber 0:f615d151a72c 197 #define K 0xCA62C1D6
Michielber 0:f615d151a72c 198
Michielber 0:f615d151a72c 199 P( A, B, C, D, E, R(60) );
Michielber 0:f615d151a72c 200 P( E, A, B, C, D, R(61) );
Michielber 0:f615d151a72c 201 P( D, E, A, B, C, R(62) );
Michielber 0:f615d151a72c 202 P( C, D, E, A, B, R(63) );
Michielber 0:f615d151a72c 203 P( B, C, D, E, A, R(64) );
Michielber 0:f615d151a72c 204 P( A, B, C, D, E, R(65) );
Michielber 0:f615d151a72c 205 P( E, A, B, C, D, R(66) );
Michielber 0:f615d151a72c 206 P( D, E, A, B, C, R(67) );
Michielber 0:f615d151a72c 207 P( C, D, E, A, B, R(68) );
Michielber 0:f615d151a72c 208 P( B, C, D, E, A, R(69) );
Michielber 0:f615d151a72c 209 P( A, B, C, D, E, R(70) );
Michielber 0:f615d151a72c 210 P( E, A, B, C, D, R(71) );
Michielber 0:f615d151a72c 211 P( D, E, A, B, C, R(72) );
Michielber 0:f615d151a72c 212 P( C, D, E, A, B, R(73) );
Michielber 0:f615d151a72c 213 P( B, C, D, E, A, R(74) );
Michielber 0:f615d151a72c 214 P( A, B, C, D, E, R(75) );
Michielber 0:f615d151a72c 215 P( E, A, B, C, D, R(76) );
Michielber 0:f615d151a72c 216 P( D, E, A, B, C, R(77) );
Michielber 0:f615d151a72c 217 P( C, D, E, A, B, R(78) );
Michielber 0:f615d151a72c 218 P( B, C, D, E, A, R(79) );
Michielber 0:f615d151a72c 219
Michielber 0:f615d151a72c 220 #undef K
Michielber 0:f615d151a72c 221 #undef F
Michielber 0:f615d151a72c 222
Michielber 0:f615d151a72c 223 ctx->state[0] += A;
Michielber 0:f615d151a72c 224 ctx->state[1] += B;
Michielber 0:f615d151a72c 225 ctx->state[2] += C;
Michielber 0:f615d151a72c 226 ctx->state[3] += D;
Michielber 0:f615d151a72c 227 ctx->state[4] += E;
Michielber 0:f615d151a72c 228 }
Michielber 0:f615d151a72c 229
Michielber 0:f615d151a72c 230 /*
Michielber 0:f615d151a72c 231 * SHA-1 process buffer
Michielber 0:f615d151a72c 232 */
Michielber 0:f615d151a72c 233 void sha1_update( sha1_context *ctx, const unsigned char *input, int ilen )
Michielber 0:f615d151a72c 234 {
Michielber 0:f615d151a72c 235 int fill;
Michielber 0:f615d151a72c 236 unsigned long left;
Michielber 0:f615d151a72c 237
Michielber 0:f615d151a72c 238 if( ilen <= 0 )
Michielber 0:f615d151a72c 239 return;
Michielber 0:f615d151a72c 240
Michielber 0:f615d151a72c 241 left = ctx->total[0] & 0x3F;
Michielber 0:f615d151a72c 242 fill = 64 - left;
Michielber 0:f615d151a72c 243
Michielber 0:f615d151a72c 244 ctx->total[0] += ilen;
Michielber 0:f615d151a72c 245 ctx->total[0] &= 0xFFFFFFFF;
Michielber 0:f615d151a72c 246
Michielber 0:f615d151a72c 247 if( ctx->total[0] < (unsigned long) ilen )
Michielber 0:f615d151a72c 248 ctx->total[1]++;
Michielber 0:f615d151a72c 249
Michielber 0:f615d151a72c 250 if( left && ilen >= fill )
Michielber 0:f615d151a72c 251 {
Michielber 0:f615d151a72c 252 memcpy( (void *) (ctx->buffer + left),
Michielber 0:f615d151a72c 253 (void *) input, fill );
Michielber 0:f615d151a72c 254 sha1_process( ctx, ctx->buffer );
Michielber 0:f615d151a72c 255 input += fill;
Michielber 0:f615d151a72c 256 ilen -= fill;
Michielber 0:f615d151a72c 257 left = 0;
Michielber 0:f615d151a72c 258 }
Michielber 0:f615d151a72c 259
Michielber 0:f615d151a72c 260 while( ilen >= 64 )
Michielber 0:f615d151a72c 261 {
Michielber 0:f615d151a72c 262 sha1_process( ctx, input );
Michielber 0:f615d151a72c 263 input += 64;
Michielber 0:f615d151a72c 264 ilen -= 64;
Michielber 0:f615d151a72c 265 }
Michielber 0:f615d151a72c 266
Michielber 0:f615d151a72c 267 if( ilen > 0 )
Michielber 0:f615d151a72c 268 {
Michielber 0:f615d151a72c 269 memcpy( (void *) (ctx->buffer + left),
Michielber 0:f615d151a72c 270 (void *) input, ilen );
Michielber 0:f615d151a72c 271 }
Michielber 0:f615d151a72c 272 }
Michielber 0:f615d151a72c 273
Michielber 0:f615d151a72c 274 static const unsigned char sha1_padding[64] =
Michielber 0:f615d151a72c 275 {
Michielber 0:f615d151a72c 276 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Michielber 0:f615d151a72c 277 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Michielber 0:f615d151a72c 278 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Michielber 0:f615d151a72c 279 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
Michielber 0:f615d151a72c 280 };
Michielber 0:f615d151a72c 281
Michielber 0:f615d151a72c 282 /*
Michielber 0:f615d151a72c 283 * SHA-1 final digest
Michielber 0:f615d151a72c 284 */
Michielber 0:f615d151a72c 285 void sha1_finish( sha1_context *ctx, unsigned char output[20] )
Michielber 0:f615d151a72c 286 {
Michielber 0:f615d151a72c 287 unsigned long last, padn;
Michielber 0:f615d151a72c 288 unsigned long high, low;
Michielber 0:f615d151a72c 289 unsigned char msglen[8];
Michielber 0:f615d151a72c 290
Michielber 0:f615d151a72c 291 high = ( ctx->total[0] >> 29 )
Michielber 0:f615d151a72c 292 | ( ctx->total[1] << 3 );
Michielber 0:f615d151a72c 293 low = ( ctx->total[0] << 3 );
Michielber 0:f615d151a72c 294
Michielber 0:f615d151a72c 295 PUT_ULONG_BE( high, msglen, 0 );
Michielber 0:f615d151a72c 296 PUT_ULONG_BE( low, msglen, 4 );
Michielber 0:f615d151a72c 297
Michielber 0:f615d151a72c 298 last = ctx->total[0] & 0x3F;
Michielber 0:f615d151a72c 299 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
Michielber 0:f615d151a72c 300
Michielber 0:f615d151a72c 301 sha1_update( ctx, (unsigned char *) sha1_padding, padn );
Michielber 0:f615d151a72c 302 sha1_update( ctx, msglen, 8 );
Michielber 0:f615d151a72c 303
Michielber 0:f615d151a72c 304 PUT_ULONG_BE( ctx->state[0], output, 0 );
Michielber 0:f615d151a72c 305 PUT_ULONG_BE( ctx->state[1], output, 4 );
Michielber 0:f615d151a72c 306 PUT_ULONG_BE( ctx->state[2], output, 8 );
Michielber 0:f615d151a72c 307 PUT_ULONG_BE( ctx->state[3], output, 12 );
Michielber 0:f615d151a72c 308 PUT_ULONG_BE( ctx->state[4], output, 16 );
Michielber 0:f615d151a72c 309 }
Michielber 0:f615d151a72c 310
Michielber 0:f615d151a72c 311 /*
Michielber 0:f615d151a72c 312 * output = SHA-1( input buffer )
Michielber 0:f615d151a72c 313 */
Michielber 0:f615d151a72c 314 void sha1( const unsigned char *input, int ilen, unsigned char output[20] )
Michielber 0:f615d151a72c 315 {
Michielber 0:f615d151a72c 316 sha1_context ctx;
Michielber 0:f615d151a72c 317
Michielber 0:f615d151a72c 318 sha1_starts( &ctx );
Michielber 0:f615d151a72c 319 sha1_update( &ctx, input, ilen );
Michielber 0:f615d151a72c 320 sha1_finish( &ctx, output );
Michielber 0:f615d151a72c 321
Michielber 0:f615d151a72c 322 memset( &ctx, 0, sizeof( sha1_context ) );
Michielber 0:f615d151a72c 323 }
Michielber 0:f615d151a72c 324
Michielber 0:f615d151a72c 325 /*
Michielber 0:f615d151a72c 326 * output = SHA-1( file contents )
Michielber 0:f615d151a72c 327 */
Michielber 0:f615d151a72c 328 #if 0 //No need for that
Michielber 0:f615d151a72c 329 int sha1_file( const char *path, unsigned char output[20] )
Michielber 0:f615d151a72c 330 {
Michielber 0:f615d151a72c 331 FILE *f;
Michielber 0:f615d151a72c 332 size_t n;
Michielber 0:f615d151a72c 333 sha1_context ctx;
Michielber 0:f615d151a72c 334 unsigned char buf[1024];
Michielber 0:f615d151a72c 335
Michielber 0:f615d151a72c 336 if( ( f = fopen( path, "rb" ) ) == NULL )
Michielber 0:f615d151a72c 337 return( 1 );
Michielber 0:f615d151a72c 338
Michielber 0:f615d151a72c 339 sha1_starts( &ctx );
Michielber 0:f615d151a72c 340
Michielber 0:f615d151a72c 341 while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 )
Michielber 0:f615d151a72c 342 sha1_update( &ctx, buf, (int) n );
Michielber 0:f615d151a72c 343
Michielber 0:f615d151a72c 344 sha1_finish( &ctx, output );
Michielber 0:f615d151a72c 345
Michielber 0:f615d151a72c 346 memset( &ctx, 0, sizeof( sha1_context ) );
Michielber 0:f615d151a72c 347
Michielber 0:f615d151a72c 348 if( ferror( f ) != 0 )
Michielber 0:f615d151a72c 349 {
Michielber 0:f615d151a72c 350 fclose( f );
Michielber 0:f615d151a72c 351 return( 2 );
Michielber 0:f615d151a72c 352 }
Michielber 0:f615d151a72c 353
Michielber 0:f615d151a72c 354 fclose( f );
Michielber 0:f615d151a72c 355 return( 0 );
Michielber 0:f615d151a72c 356 }
Michielber 0:f615d151a72c 357 #endif
Michielber 0:f615d151a72c 358
Michielber 0:f615d151a72c 359 /*
Michielber 0:f615d151a72c 360 * SHA-1 HMAC context setup
Michielber 0:f615d151a72c 361 */
Michielber 0:f615d151a72c 362 void sha1_hmac_starts( sha1_context *ctx, const unsigned char *key, int keylen )
Michielber 0:f615d151a72c 363 {
Michielber 0:f615d151a72c 364 int i;
Michielber 0:f615d151a72c 365 unsigned char sum[20];
Michielber 0:f615d151a72c 366
Michielber 0:f615d151a72c 367 if( keylen > 64 )
Michielber 0:f615d151a72c 368 {
Michielber 0:f615d151a72c 369 sha1( key, keylen, sum );
Michielber 0:f615d151a72c 370 keylen = 20;
Michielber 0:f615d151a72c 371 key = sum;
Michielber 0:f615d151a72c 372 }
Michielber 0:f615d151a72c 373
Michielber 0:f615d151a72c 374 memset( ctx->ipad, 0x36, 64 );
Michielber 0:f615d151a72c 375 memset( ctx->opad, 0x5C, 64 );
Michielber 0:f615d151a72c 376
Michielber 0:f615d151a72c 377 for( i = 0; i < keylen; i++ )
Michielber 0:f615d151a72c 378 {
Michielber 0:f615d151a72c 379 ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] );
Michielber 0:f615d151a72c 380 ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] );
Michielber 0:f615d151a72c 381 }
Michielber 0:f615d151a72c 382
Michielber 0:f615d151a72c 383 sha1_starts( ctx );
Michielber 0:f615d151a72c 384 sha1_update( ctx, ctx->ipad, 64 );
Michielber 0:f615d151a72c 385
Michielber 0:f615d151a72c 386 memset( sum, 0, sizeof( sum ) );
Michielber 0:f615d151a72c 387 }
Michielber 0:f615d151a72c 388
Michielber 0:f615d151a72c 389 /*
Michielber 0:f615d151a72c 390 * SHA-1 HMAC process buffer
Michielber 0:f615d151a72c 391 */
Michielber 0:f615d151a72c 392 void sha1_hmac_update( sha1_context *ctx, const unsigned char *input, int ilen )
Michielber 0:f615d151a72c 393 {
Michielber 0:f615d151a72c 394 sha1_update( ctx, input, ilen );
Michielber 0:f615d151a72c 395 }
Michielber 0:f615d151a72c 396
Michielber 0:f615d151a72c 397 /*
Michielber 0:f615d151a72c 398 * SHA-1 HMAC final digest
Michielber 0:f615d151a72c 399 */
Michielber 0:f615d151a72c 400 void sha1_hmac_finish( sha1_context *ctx, unsigned char output[20] )
Michielber 0:f615d151a72c 401 {
Michielber 0:f615d151a72c 402 unsigned char tmpbuf[20];
Michielber 0:f615d151a72c 403
Michielber 0:f615d151a72c 404 sha1_finish( ctx, tmpbuf );
Michielber 0:f615d151a72c 405 sha1_starts( ctx );
Michielber 0:f615d151a72c 406 sha1_update( ctx, ctx->opad, 64 );
Michielber 0:f615d151a72c 407 sha1_update( ctx, tmpbuf, 20 );
Michielber 0:f615d151a72c 408 sha1_finish( ctx, output );
Michielber 0:f615d151a72c 409
Michielber 0:f615d151a72c 410 memset( tmpbuf, 0, sizeof( tmpbuf ) );
Michielber 0:f615d151a72c 411 }
Michielber 0:f615d151a72c 412
Michielber 0:f615d151a72c 413 /*
Michielber 0:f615d151a72c 414 * SHA1 HMAC context reset
Michielber 0:f615d151a72c 415 */
Michielber 0:f615d151a72c 416 void sha1_hmac_reset( sha1_context *ctx )
Michielber 0:f615d151a72c 417 {
Michielber 0:f615d151a72c 418 sha1_starts( ctx );
Michielber 0:f615d151a72c 419 sha1_update( ctx, ctx->ipad, 64 );
Michielber 0:f615d151a72c 420 }
Michielber 0:f615d151a72c 421
Michielber 0:f615d151a72c 422 /*
Michielber 0:f615d151a72c 423 * output = HMAC-SHA-1( hmac key, input buffer )
Michielber 0:f615d151a72c 424 */
Michielber 0:f615d151a72c 425 void sha1_hmac( const unsigned char *key, int keylen,
Michielber 0:f615d151a72c 426 const unsigned char *input, int ilen,
Michielber 0:f615d151a72c 427 unsigned char output[20] )
Michielber 0:f615d151a72c 428 {
Michielber 0:f615d151a72c 429 sha1_context ctx;
Michielber 0:f615d151a72c 430
Michielber 0:f615d151a72c 431 sha1_hmac_starts( &ctx, key, keylen );
Michielber 0:f615d151a72c 432 sha1_hmac_update( &ctx, input, ilen );
Michielber 0:f615d151a72c 433 sha1_hmac_finish( &ctx, output );
Michielber 0:f615d151a72c 434
Michielber 0:f615d151a72c 435 memset( &ctx, 0, sizeof( sha1_context ) );
Michielber 0:f615d151a72c 436 }
Michielber 0:f615d151a72c 437
Michielber 0:f615d151a72c 438 #if defined(POLARSSL_SELF_TEST)
Michielber 0:f615d151a72c 439 /*
Michielber 0:f615d151a72c 440 * FIPS-180-1 test vectors
Michielber 0:f615d151a72c 441 */
Michielber 0:f615d151a72c 442 static unsigned char sha1_test_buf[3][57] =
Michielber 0:f615d151a72c 443 {
Michielber 0:f615d151a72c 444 { "abc" },
Michielber 0:f615d151a72c 445 { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
Michielber 0:f615d151a72c 446 { "" }
Michielber 0:f615d151a72c 447 };
Michielber 0:f615d151a72c 448
Michielber 0:f615d151a72c 449 static const int sha1_test_buflen[3] =
Michielber 0:f615d151a72c 450 {
Michielber 0:f615d151a72c 451 3, 56, 1000
Michielber 0:f615d151a72c 452 };
Michielber 0:f615d151a72c 453
Michielber 0:f615d151a72c 454 static const unsigned char sha1_test_sum[3][20] =
Michielber 0:f615d151a72c 455 {
Michielber 0:f615d151a72c 456 { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E,
Michielber 0:f615d151a72c 457 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D },
Michielber 0:f615d151a72c 458 { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE,
Michielber 0:f615d151a72c 459 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 },
Michielber 0:f615d151a72c 460 { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E,
Michielber 0:f615d151a72c 461 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F }
Michielber 0:f615d151a72c 462 };
Michielber 0:f615d151a72c 463
Michielber 0:f615d151a72c 464 /*
Michielber 0:f615d151a72c 465 * RFC 2202 test vectors
Michielber 0:f615d151a72c 466 */
Michielber 0:f615d151a72c 467 static unsigned char sha1_hmac_test_key[7][26] =
Michielber 0:f615d151a72c 468 {
Michielber 0:f615d151a72c 469 { "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B"
Michielber 0:f615d151a72c 470 "\x0B\x0B\x0B\x0B" },
Michielber 0:f615d151a72c 471 { "Jefe" },
Michielber 0:f615d151a72c 472 { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
Michielber 0:f615d151a72c 473 "\xAA\xAA\xAA\xAA" },
Michielber 0:f615d151a72c 474 { "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10"
Michielber 0:f615d151a72c 475 "\x11\x12\x13\x14\x15\x16\x17\x18\x19" },
Michielber 0:f615d151a72c 476 { "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C"
Michielber 0:f615d151a72c 477 "\x0C\x0C\x0C\x0C" },
Michielber 0:f615d151a72c 478 { "" }, /* 0xAA 80 times */
Michielber 0:f615d151a72c 479 { "" }
Michielber 0:f615d151a72c 480 };
Michielber 0:f615d151a72c 481
Michielber 0:f615d151a72c 482 static const int sha1_hmac_test_keylen[7] =
Michielber 0:f615d151a72c 483 {
Michielber 0:f615d151a72c 484 20, 4, 20, 25, 20, 80, 80
Michielber 0:f615d151a72c 485 };
Michielber 0:f615d151a72c 486
Michielber 0:f615d151a72c 487 static unsigned char sha1_hmac_test_buf[7][74] =
Michielber 0:f615d151a72c 488 {
Michielber 0:f615d151a72c 489 { "Hi There" },
Michielber 0:f615d151a72c 490 { "what do ya want for nothing?" },
Michielber 0:f615d151a72c 491 { "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
Michielber 0:f615d151a72c 492 "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
Michielber 0:f615d151a72c 493 "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
Michielber 0:f615d151a72c 494 "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
Michielber 0:f615d151a72c 495 "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" },
Michielber 0:f615d151a72c 496 { "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
Michielber 0:f615d151a72c 497 "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
Michielber 0:f615d151a72c 498 "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
Michielber 0:f615d151a72c 499 "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
Michielber 0:f615d151a72c 500 "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" },
Michielber 0:f615d151a72c 501 { "Test With Truncation" },
Michielber 0:f615d151a72c 502 { "Test Using Larger Than Block-Size Key - Hash Key First" },
Michielber 0:f615d151a72c 503 { "Test Using Larger Than Block-Size Key and Larger"
Michielber 0:f615d151a72c 504 " Than One Block-Size Data" }
Michielber 0:f615d151a72c 505 };
Michielber 0:f615d151a72c 506
Michielber 0:f615d151a72c 507 static const int sha1_hmac_test_buflen[7] =
Michielber 0:f615d151a72c 508 {
Michielber 0:f615d151a72c 509 8, 28, 50, 50, 20, 54, 73
Michielber 0:f615d151a72c 510 };
Michielber 0:f615d151a72c 511
Michielber 0:f615d151a72c 512 static const unsigned char sha1_hmac_test_sum[7][20] =
Michielber 0:f615d151a72c 513 {
Michielber 0:f615d151a72c 514 { 0xB6, 0x17, 0x31, 0x86, 0x55, 0x05, 0x72, 0x64, 0xE2, 0x8B,
Michielber 0:f615d151a72c 515 0xC0, 0xB6, 0xFB, 0x37, 0x8C, 0x8E, 0xF1, 0x46, 0xBE, 0x00 },
Michielber 0:f615d151a72c 516 { 0xEF, 0xFC, 0xDF, 0x6A, 0xE5, 0xEB, 0x2F, 0xA2, 0xD2, 0x74,
Michielber 0:f615d151a72c 517 0x16, 0xD5, 0xF1, 0x84, 0xDF, 0x9C, 0x25, 0x9A, 0x7C, 0x79 },
Michielber 0:f615d151a72c 518 { 0x12, 0x5D, 0x73, 0x42, 0xB9, 0xAC, 0x11, 0xCD, 0x91, 0xA3,
Michielber 0:f615d151a72c 519 0x9A, 0xF4, 0x8A, 0xA1, 0x7B, 0x4F, 0x63, 0xF1, 0x75, 0xD3 },
Michielber 0:f615d151a72c 520 { 0x4C, 0x90, 0x07, 0xF4, 0x02, 0x62, 0x50, 0xC6, 0xBC, 0x84,
Michielber 0:f615d151a72c 521 0x14, 0xF9, 0xBF, 0x50, 0xC8, 0x6C, 0x2D, 0x72, 0x35, 0xDA },
Michielber 0:f615d151a72c 522 { 0x4C, 0x1A, 0x03, 0x42, 0x4B, 0x55, 0xE0, 0x7F, 0xE7, 0xF2,
Michielber 0:f615d151a72c 523 0x7B, 0xE1 },
Michielber 0:f615d151a72c 524 { 0xAA, 0x4A, 0xE5, 0xE1, 0x52, 0x72, 0xD0, 0x0E, 0x95, 0x70,
Michielber 0:f615d151a72c 525 0x56, 0x37, 0xCE, 0x8A, 0x3B, 0x55, 0xED, 0x40, 0x21, 0x12 },
Michielber 0:f615d151a72c 526 { 0xE8, 0xE9, 0x9D, 0x0F, 0x45, 0x23, 0x7D, 0x78, 0x6D, 0x6B,
Michielber 0:f615d151a72c 527 0xBA, 0xA7, 0x96, 0x5C, 0x78, 0x08, 0xBB, 0xFF, 0x1A, 0x91 }
Michielber 0:f615d151a72c 528 };
Michielber 0:f615d151a72c 529
Michielber 0:f615d151a72c 530 /*
Michielber 0:f615d151a72c 531 * Checkup routine
Michielber 0:f615d151a72c 532 */
Michielber 0:f615d151a72c 533 int sha1_self_test( int verbose )
Michielber 0:f615d151a72c 534 {
Michielber 0:f615d151a72c 535 int i, j, buflen;
Michielber 0:f615d151a72c 536 unsigned char buf[1024];
Michielber 0:f615d151a72c 537 unsigned char sha1sum[20];
Michielber 0:f615d151a72c 538 sha1_context ctx;
Michielber 0:f615d151a72c 539
Michielber 0:f615d151a72c 540 /*
Michielber 0:f615d151a72c 541 * SHA-1
Michielber 0:f615d151a72c 542 */
Michielber 0:f615d151a72c 543 for( i = 0; i < 3; i++ )
Michielber 0:f615d151a72c 544 {
Michielber 0:f615d151a72c 545 if( verbose != 0 )
Michielber 0:f615d151a72c 546 printf( " SHA-1 test #%d: ", i + 1 );
Michielber 0:f615d151a72c 547
Michielber 0:f615d151a72c 548 sha1_starts( &ctx );
Michielber 0:f615d151a72c 549
Michielber 0:f615d151a72c 550 if( i == 2 )
Michielber 0:f615d151a72c 551 {
Michielber 0:f615d151a72c 552 memset( buf, 'a', buflen = 1000 );
Michielber 0:f615d151a72c 553
Michielber 0:f615d151a72c 554 for( j = 0; j < 1000; j++ )
Michielber 0:f615d151a72c 555 sha1_update( &ctx, buf, buflen );
Michielber 0:f615d151a72c 556 }
Michielber 0:f615d151a72c 557 else
Michielber 0:f615d151a72c 558 sha1_update( &ctx, sha1_test_buf[i],
Michielber 0:f615d151a72c 559 sha1_test_buflen[i] );
Michielber 0:f615d151a72c 560
Michielber 0:f615d151a72c 561 sha1_finish( &ctx, sha1sum );
Michielber 0:f615d151a72c 562
Michielber 0:f615d151a72c 563 if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 )
Michielber 0:f615d151a72c 564 {
Michielber 0:f615d151a72c 565 if( verbose != 0 )
Michielber 0:f615d151a72c 566 printf( "failed\n" );
Michielber 0:f615d151a72c 567
Michielber 0:f615d151a72c 568 return( 1 );
Michielber 0:f615d151a72c 569 }
Michielber 0:f615d151a72c 570
Michielber 0:f615d151a72c 571 if( verbose != 0 )
Michielber 0:f615d151a72c 572 printf( "passed\n" );
Michielber 0:f615d151a72c 573 }
Michielber 0:f615d151a72c 574
Michielber 0:f615d151a72c 575 if( verbose != 0 )
Michielber 0:f615d151a72c 576 printf( "\n" );
Michielber 0:f615d151a72c 577
Michielber 0:f615d151a72c 578 for( i = 0; i < 7; i++ )
Michielber 0:f615d151a72c 579 {
Michielber 0:f615d151a72c 580 if( verbose != 0 )
Michielber 0:f615d151a72c 581 printf( " HMAC-SHA-1 test #%d: ", i + 1 );
Michielber 0:f615d151a72c 582
Michielber 0:f615d151a72c 583 if( i == 5 || i == 6 )
Michielber 0:f615d151a72c 584 {
Michielber 0:f615d151a72c 585 memset( buf, '\xAA', buflen = 80 );
Michielber 0:f615d151a72c 586 sha1_hmac_starts( &ctx, buf, buflen );
Michielber 0:f615d151a72c 587 }
Michielber 0:f615d151a72c 588 else
Michielber 0:f615d151a72c 589 sha1_hmac_starts( &ctx, sha1_hmac_test_key[i],
Michielber 0:f615d151a72c 590 sha1_hmac_test_keylen[i] );
Michielber 0:f615d151a72c 591
Michielber 0:f615d151a72c 592 sha1_hmac_update( &ctx, sha1_hmac_test_buf[i],
Michielber 0:f615d151a72c 593 sha1_hmac_test_buflen[i] );
Michielber 0:f615d151a72c 594
Michielber 0:f615d151a72c 595 sha1_hmac_finish( &ctx, sha1sum );
Michielber 0:f615d151a72c 596
Michielber 0:f615d151a72c 597 buflen = ( i == 4 ) ? 12 : 20;
Michielber 0:f615d151a72c 598
Michielber 0:f615d151a72c 599 if( memcmp( sha1sum, sha1_hmac_test_sum[i], buflen ) != 0 )
Michielber 0:f615d151a72c 600 {
Michielber 0:f615d151a72c 601 if( verbose != 0 )
Michielber 0:f615d151a72c 602 printf( "failed\n" );
Michielber 0:f615d151a72c 603
Michielber 0:f615d151a72c 604 return( 1 );
Michielber 0:f615d151a72c 605 }
Michielber 0:f615d151a72c 606
Michielber 0:f615d151a72c 607 if( verbose != 0 )
Michielber 0:f615d151a72c 608 printf( "passed\n" );
Michielber 0:f615d151a72c 609 }
Michielber 0:f615d151a72c 610
Michielber 0:f615d151a72c 611 if( verbose != 0 )
Michielber 0:f615d151a72c 612 printf( "\n" );
Michielber 0:f615d151a72c 613
Michielber 0:f615d151a72c 614 return( 0 );
Michielber 0:f615d151a72c 615 }
Michielber 0:f615d151a72c 616
Michielber 0:f615d151a72c 617 #endif
Michielber 0:f615d151a72c 618
Michielber 0:f615d151a72c 619 #endif